* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
#include "CrossOriginPreflightResultCache.h"
#include "CrossOriginAccessControl.h"
+#include "HTTPHeaderNames.h"
+#include "HTTPParsers.h"
#include "ResourceResponse.h"
#include <wtf/MainThread.h>
#include <wtf/NeverDestroyed.h>
-#include <wtf/StdLibExtras.h>
namespace WebCore {
// These values are at the discretion of the user agent.
-static const auto defaultPreflightCacheTimeout = std::chrono::seconds(5);
-static const auto maxPreflightCacheTimeout = std::chrono::seconds(600); // Should be short enough to minimize the risk of using a poisoned cache after switching to a secure network.
+static const auto defaultPreflightCacheTimeout = 5_s;
+static const auto maxPreflightCacheTimeout = 600_s; // Should be short enough to minimize the risk of using a poisoned cache after switching to a secure network.
CrossOriginPreflightResultCache::CrossOriginPreflightResultCache()
{
}
-static bool parseAccessControlMaxAge(const String& string, std::chrono::seconds& expiryDelta)
+static bool parseAccessControlMaxAge(const String& string, Seconds& expiryDelta)
{
// FIXME: this will not do the correct thing for a number starting with a '+'
bool ok = false;
- expiryDelta = std::chrono::seconds(string.toUIntStrict(&ok));
+ expiryDelta = Seconds(static_cast<double>(string.toUIntStrict(&ok)));
return ok;
}
-template<class HashType>
-static void addToAccessControlAllowList(const String& string, unsigned start, unsigned end, HashSet<String, HashType>& set)
+bool CrossOriginPreflightResultCacheItem::parse(const ResourceResponse& response)
{
- StringImpl* stringImpl = string.impl();
- if (!stringImpl)
- return;
+ m_methods = parseAccessControlAllowList(response.httpHeaderField(HTTPHeaderName::AccessControlAllowMethods));
+ m_headers = parseAccessControlAllowList<ASCIICaseInsensitiveHash>(response.httpHeaderField(HTTPHeaderName::AccessControlAllowHeaders));
- // Skip white space from start.
- while (start <= end && isSpaceOrNewline((*stringImpl)[start]))
- ++start;
-
- // only white space
- if (start > end)
- return;
-
- // Skip white space from end.
- while (end && isSpaceOrNewline((*stringImpl)[end]))
- --end;
-
- set.add(string.substring(start, end - start + 1));
-}
-
-template<class HashType>
-static bool parseAccessControlAllowList(const String& string, HashSet<String, HashType>& set)
-{
- unsigned start = 0;
- size_t end;
- while ((end = string.find(',', start)) != notFound) {
- if (start != end)
- addToAccessControlAllowList(string, start, end - 1, set);
- start = end + 1;
- }
- if (start != string.length())
- addToAccessControlAllowList(string, start, string.length() - 1, set);
-
- return true;
-}
-
-bool CrossOriginPreflightResultCacheItem::parse(const ResourceResponse& response, String& errorDescription)
-{
- m_methods.clear();
- if (!parseAccessControlAllowList(response.httpHeaderField("Access-Control-Allow-Methods"), m_methods)) {
- errorDescription = "Cannot parse Access-Control-Allow-Methods response header field.";
- return false;
- }
-
- m_headers.clear();
- if (!parseAccessControlAllowList(response.httpHeaderField("Access-Control-Allow-Headers"), m_headers)) {
- errorDescription = "Cannot parse Access-Control-Allow-Headers response header field.";
- return false;
- }
-
- std::chrono::seconds expiryDelta;
- if (parseAccessControlMaxAge(response.httpHeaderField("Access-Control-Max-Age"), expiryDelta)) {
+ Seconds expiryDelta = 0_s;
+ if (parseAccessControlMaxAge(response.httpHeaderField(HTTPHeaderName::AccessControlMaxAge), expiryDelta)) {
if (expiryDelta > maxPreflightCacheTimeout)
expiryDelta = maxPreflightCacheTimeout;
} else
expiryDelta = defaultPreflightCacheTimeout;
- m_absoluteExpiryTime = std::chrono::steady_clock::now() + expiryDelta;
+ m_absoluteExpiryTime = MonotonicTime::now() + expiryDelta;
return true;
}
bool CrossOriginPreflightResultCacheItem::allowsCrossOriginHeaders(const HTTPHeaderMap& requestHeaders, String& errorDescription) const
{
for (const auto& header : requestHeaders) {
- if (!m_headers.contains(header.key) && !isOnAccessControlSimpleRequestHeaderWhitelist(header.key, header.value)) {
- errorDescription = "Request header field " + header.key.string() + " is not allowed by Access-Control-Allow-Headers.";
+ if (header.keyAsHTTPHeaderName && isCrossOriginSafeRequestHeader(header.keyAsHTTPHeaderName.value(), header.value))
+ continue;
+ if (!m_headers.contains(header.key)) {
+ errorDescription = "Request header field " + header.key + " is not allowed by Access-Control-Allow-Headers.";
return false;
}
}
return true;
}
-bool CrossOriginPreflightResultCacheItem::allowsRequest(StoredCredentials includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders) const
+bool CrossOriginPreflightResultCacheItem::allowsRequest(StoredCredentialsPolicy storedCredentialsPolicy, const String& method, const HTTPHeaderMap& requestHeaders) const
{
String ignoredExplanation;
- if (m_absoluteExpiryTime < std::chrono::steady_clock::now())
+ if (m_absoluteExpiryTime < MonotonicTime::now())
return false;
- if (includeCredentials == AllowStoredCredentials && m_credentials == DoNotAllowStoredCredentials)
+ if (storedCredentialsPolicy == StoredCredentialsPolicy::Use && m_storedCredentialsPolicy == StoredCredentialsPolicy::DoNotUse)
return false;
if (!allowsCrossOriginMethod(method, ignoredExplanation))
return false;
return true;
}
-CrossOriginPreflightResultCache& CrossOriginPreflightResultCache::shared()
+CrossOriginPreflightResultCache& CrossOriginPreflightResultCache::singleton()
{
ASSERT(isMainThread());
void CrossOriginPreflightResultCache::appendEntry(const String& origin, const URL& url, std::unique_ptr<CrossOriginPreflightResultCacheItem> preflightResult)
{
ASSERT(isMainThread());
- m_preflightHashMap.set(std::make_pair(origin, url), std::move(preflightResult));
+ m_preflightHashMap.set(std::make_pair(origin, url), WTFMove(preflightResult));
}
-bool CrossOriginPreflightResultCache::canSkipPreflight(const String& origin, const URL& url, StoredCredentials includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders)
+bool CrossOriginPreflightResultCache::canSkipPreflight(const String& origin, const URL& url, StoredCredentialsPolicy storedCredentialsPolicy, const String& method, const HTTPHeaderMap& requestHeaders)
{
ASSERT(isMainThread());
auto it = m_preflightHashMap.find(std::make_pair(origin, url));
if (it == m_preflightHashMap.end())
return false;
- if (it->value->allowsRequest(includeCredentials, method, requestHeaders))
+ if (it->value->allowsRequest(storedCredentialsPolicy, method, requestHeaders))
return true;
m_preflightHashMap.remove(it);
return false;
}
-void CrossOriginPreflightResultCache::empty()
+void CrossOriginPreflightResultCache::clear()
{
ASSERT(isMainThread());
m_preflightHashMap.clear();